Surname Promnit (Promnit 
, พรหมนิตย์ ) , around the world, is a very rare family name. The cognomen Promnit is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Promnit is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Promnit, พรหมนิตย์ | Thailand |